Delko is found comatose, and we are taken back to the year 1997 to when the team first formed.

Horatio takes point as the negotiator when an armed gunman storms CSI headquarters and takes hostages.

Three volleyball players mysteriously drop dead on the court while Calleigh's testimony against Delko threatens his future as a CSI.

When the most hated man in Miami is murdered, the CSIs go on the hunt for his killer and his hidden treasure.

Alexx Woods and Eric Delko return to help the CSIs stop a deadly outbreak in Miami.

Two groomsmen wake up handcuffed together and covered in blood, with no memory of the raucous bachelor party the night before. Worse, the groom is missing...

Horatio Caine calls Las Vegas CSI Ray Langston to come to Miami when a severed leg found in the Everglades is discovered to belong to a girl who went missing in Las Vegas a week earlier.

The crossover continues on CSI:NY S06E07 Hammer Down (II) and CSI: Crime Scene Investigation S10E07 The Lost Girls (III).

When the CSIs investigate who or what caused a horrific car accident, both drivers' darkest secrets are revealed.

Deadly jellyfish are used as a murder weapon, and a mysterious woman from Jesse's past returns.

A young man gets involved with a dangerous operation in an effort to rescue his girlfriend who's been brought to this country to work as an indentured servant...

Eric Delko returns as an expert witness for the defense, pitting himself against his old team.

When America's sweetheart, Phoebe Nichols, bursts into flames during a concert, the CSIs expose the dark side of pop stardom.

The bizarre case of a man chopped in half baffles the CSIs, while Natalia's injury puts her and Ryan in jeopardy.

When doubt is cast on his murder conviction, a man receives a 24 hour stay of execution very little time for Horatio and the team to reaffirm his guilt or establish his innocence.

The C.S.I. crew try to figure out exactly how and why a passenger on a private space shuttle trip died in space after his body is found having plummeted out of the sky...

Horatio heads to Los Angeles to hopefully clear Jesse's name, all while a former sports superstar is being investigated after a girl is found dead in his home...

The team investigates the axe murder of an office receptionist who was not well liked by her colleagues...

One of Kyle's army friends tries to protect his girlfriend from an "honor killing" and winds up as the number-one suspect in a murder...

Three hard partying, callous and seemingly unconnected young 20-somethings head to Spring Break for a wild time and end up in the morgue...

A victim's spirit won't leave Calleigh alone until she finds justice for his murder.

A seemingly perfect jewelry heist ends in murder and when crime scene evidence is stolen from the lab, and Delko returns to find the culprit.

When a suburban soccer mom is murdered, the CSIs uncover her family's dark past, while Delko continues his undercover mission.

When Horatio's ex-girlfriend is killed in an explosion, the team looks within their own department to find the killer.

A serial killer taunts the CSIs by leaving them cryptic hints, and the longer it takes them to decode these puzzles, the higher the death toll rises, on the eighth season finale of CSI: MIAMI.

The CSI's must catch a madman causing havoc all over Miami and the team has to mourn one of their own.

When a woman is murdered at an exclusive club, Horatio must search through an elite guest list to find the killer.

When a girl is kidnapped, the only witness is a blind man who heard the abduction.

When the man who killed Horatio's wife breaks out of prison and goes on a rampage, the team tries to determine what he is after.

When a man claims to have dreamed of a murder before it happened, Horatio and Natalia go under cover to investigate him.

When a reality TV star is murdered, the CSIs investigate the show's cast, the obsessed fans and the stars' hidden pasts.

The team must figure out why a fisherman is being targeted and keep him from being killed.

On the 200th episode Horatio must find an attacker and save a pregnant woman and hope he has an idea as to why she was attacked.

After an explosion at a sugar refinery information about an employee an comes to light.

When the investigation of a dead millionaire leads the CSIs to an elite dating service, Ryan poses as a wealthy businessman to expose the matchmaker's lies.

After a fire hydrant washes away evidence, the team must recreate a bizarre double murder.

The team investigates a murder at a roller derby match.

Memmo makes a return, bringing chaos to Miami and pitting him against Horatio in a final showdown.

When a high school bully dies as a result of a stoning, the CSIs have to find out which nerd is responsible.

The team hunt for a serial killer before he can take another victim - who may be one of the team.

The CSIs uncover an exclusive hunting club where the prey is human.

When a delivery truck driver and a housewife on his route are murdered, the CSIs try to find their connection.

An escaped prisoner takes Natalia hostage and tells her a shocking secret about his crimes.

Horatio must protect a fighter from his brother who escaped prison.

When the CSIs find a co-ed dead in a hot tub, they investigate a case marked by jealousy, psychosis and college roommates.

When Horatio chases down a mysterious murder suspect who claims he was framed, he discovers an elaborate charade.

In the season finale, Horatio must capture an escapee again when their transport plane crashes. And the team was shocked to discover that the fugitive has planned more than that.

Horatio and Natalia's lives hang in the balance, as Horatio stands between Natalia and certain death. Meanwhile, it's a race against time for the team to capture escaped killer Jack Toller before he kills again.

The discovery of a strange murder weapon leads the CSIs into the world of gigolos.

A tornado touches down on a murder scene, damaging the evidence and putting Ryan and Walter in grave danger.

Horatio and his team are hunting a sadistic psychopath who tortures women - and one of them may still be alive.

Mexico's deadliest assassin is a target in Miami. Horatio's only hope is his worst enemy.

In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire.

A high stakes poker game is disrupted by a masked assassin, leaving one player dead and the CSIs baffled.

When Horatio finds another corpse with missing eyes, everything points to his nemesis, “The Taunter” – except he has an airtight alibi.

The CSIs investigate when three convicted murderers are released from prison and someone starts killing them one by one.

Horatio is determined to find a family that completely disappeared.

The CSIs expose the seedy underbelly of children’s beauty pageants when a contestant's mom is murdered.

An eccentric genius is assassinated with the most unique weapon the CSIs have ever seen.

When a skydiver is murdered, the CSIs discover that he has more than 100 children and all of them are suspects.

When the sisters of a Miami sorority are knocked off one by one, the CSIs try to end the murder spree.

When a neighborhood do-gooder is murdered, Horatio and the CSIs discover that he was planning to blow the whistle on something big.

When the Miami Taunter strikes again, Horatio meets with the matriarch of the suspected killer's family.

When a beloved tennis coach is nearly killed, Calleigh discovers a personal connection to the case.

A corruption scandal is uncovered by the CSI team which forces Horatio to face an old adversary. Malcolm McDowell returns as Darren Vogel.

Every member of CSI is a suspect when one of the team's enemies is murdered. When the investigation becomes deadly, Samantha Owens ends up having to be rescued.